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If |a| = 3 , |b| = 4 , then a value of ...

If `|a| = 3 , |b| = 4 ` , then a value of `lamda` for which `a + lamda b ` is perpendicular to `a - lamda b` is

A

`9//16`

B

`3//4`

C

`3//2`

D

`4//3`

Text Solution

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The correct Answer is:
B
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